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import { useEffect } from 'react';
import { useDispatch, useSelector } from 'calypso/state';
import { likeComment } from 'calypso/state/comments/actions';
import { isUserLoggedIn } from 'calypso/state/current-user/selectors';
import { like } from 'calypso/state/posts/likes/actions';
import { follow } from 'calypso/state/reader/follows/actions';
import { requestFollowTag } from 'calypso/state/reader/tags/items/actions';
import { clearLastActionRequiresLogin } from 'calypso/state/reader-ui/actions';
import { getPersistedLastActionPriorToLogin } from 'calypso/state/reader-ui/selectors';
export const ReaderPendingActionHandler = () => {
const dispatch = useDispatch();
const isLoggedIn = useSelector( isUserLoggedIn );
const pendingAction = useSelector( getPersistedLastActionPriorToLogin );
useEffect( () => {
if ( ! isLoggedIn || ! pendingAction ) {
return;
}
// The timeout is a naieve attempt to try and combat race conditions. Initial requests from
// the app loading could come back slower than what is dispatched here, causing a stale
// state in the UI. However, there doesn't seem to be a good indicator for when all of these
// potential items may already be loaded or some circumstances where they wouldn't be which
// makes it difficult to evaluate this timing differently.
setTimeout( () => {
switch ( pendingAction.type ) {
case 'like':
dispatch( like( pendingAction.siteId, pendingAction.postId ) );
break;
case 'comment-like':
dispatch(
likeComment( pendingAction.siteId, pendingAction.postId, pendingAction.commentId )
);
break;
case 'follow-site':
dispatch( follow( pendingAction.siteUrl, pendingAction.followData, null ) );
break;
case 'follow-tag':
dispatch( requestFollowTag( pendingAction.tag ) );
break;
}
}, 2000 );
dispatch( clearLastActionRequiresLogin() );
}, [ isLoggedIn, pendingAction, dispatch ] );
return null;
};
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